What does SAP stands for â SAP stands for Systems, Applications and Products in data processing. 1  SAP is the fourth largest software company in the world. 2  The SAP R/3 system is a business software package designed to integrate all areas of a business.
Most of this emitted radiation is at longer wavelengths than solar radiation. Unlike solar radiation, which is mostly at wavelengths visible to the human eye, the Earth's longwave radiation is mostly at infrared wavelengths, which are invisible to the human eye.
Most of the energy that reaches the Earth's surface comes from the Sun. The Sun emits energy in a continuous stream of wavelengths (Figure 15.11). These wavelengths include visible light, infrared, ultraviolet radiation, and others. About 44% of solar radiation is in the visible light wavelengths.